Yukon Gear Ring & Pinion Install Kit For 8.6in. GM Rear 4.56 Ratio w/Axle Bearings + Seal

Yukon Gear Kits combine all the parts needed for a re-gear project, delivering front and rear ring and pinion gear sets and proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high-performance ring and pinion gear sets are known for quality in the automotive gear industry. Yukon engineers use state-of-the-art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacting specifications and quality standards. These kits contain the gears, bearings, and all the small parts needed to fully rebuild your differential(s) and come in ratios from 3.73 to 5.38. Yukon offers its Y.E.S. Plan, a lifetime, comprehensive, no-questions-asked protection plan covering your gear set kit for as long as you own your vehicle. These convenient combo kits are ideal for increasing tire size, seeking more towing power, enhancing off-road prowess, or replacing worn gears. The 8.5" and 8.6" GM 10-bolt rear differentials are known for their strength, with the 8.5/8.6 design being capable of handling significant horsepower, especially when upgraded. This ring and pinion set, along with the install kit, axle bearings, and seal, is designed for these specific GM 10-bolt rear ends. The pinion shaft for these differentials measures 1.625 inches and typically accommodates 28 or 30 splines. Most 8.5" differentials utilize C-clip axles. This product offers a 4.56 gear ratio, which is a numerically higher gear set often preferred for performance applications, providing improved acceleration.